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Test your basic knowledge |
Biomedical Engineering Heart
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 43 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. The centers that regulate heart rate located in the___
right and left atria
aorta
bundle of His...
medulla
2. Heart rate below 60 bpm
medial to the lungs and superior to the diaphragm
tricuspid valve
bradycardia
ECG
3. Normal heart sounds are caused by
closure of the valves
fibrullation
medial to the lungs and superior to the diaphragm
aorta
4. Sequence of events in one heartbeat
endocardium
cardiac cycle
tricuspid valve
aortic and pulmonary semilunar valves
5. Nerves that transmit impulses to decrease the heart rate are the ____
fibrullation
bundle of His...
endocardium
vagus nerves
6. Heart is located here
prevent friction as the heart beats
medial to the lungs and superior to the diaphragm
coronary veins
bundle of His...
7. Relaxation
diastole
sodium ions and water
medulla
bradycardia
8. Prevents backflow of blood from the left ventricle to the left atrium
60-80
bicuspid valve
coronary arteries
bundle of His...
9. Purpose of teh coronary vessels
supply the heart with oxygenated blood
stenosis...
aorta
cardiac output
10. Relaxation of chambers of the heart
diastole
medial to the lungs and superior to the diaphragm
supply the heart with oxygenated blood
atrium
11. Prevents backflow of blood from teh right ventricle to the right atrium
stroke volume
vagus nerves
tricuspid valve
prevent friction as the heart beats
12. Narrowing of a valve
bradycardia
stenosis...
coronary arteries
endocardium
13. Electical activity of the heart may be depicted in an
pressoreceptors in teh carotid and aortic sinuses
coronary arteries
aorta
ECG
14. Amount of blood pumped by a ventricle per beat
stroke volume
cardiac reserve
systole
coronary arteries
15. Veins that return blood to the right atrium
SA node
tricuspid valve
superior and inferior caval veins
mediastinum
16. The chambers of teh heart that receive blood from the veins
diastole
stenosis...
systole
right and left atria
17. Hormone ANP increases loss of ____in urine to decrease blood volume and blood pressure
SA node
sodium ions and water
systole
stenosis...
18. Normal range of heart rate for a healthy adult is _____ bpm
atrium
diastole
60-80
stenosis...
19. Coronary sinus receives blood directly from this
diastole
coronary veins
bicuspid valve
pressoreceptors in teh carotid and aortic sinuses
20. Largest artery of the body
tricuspid valve
stroke volume
medulla
aorta
21. Area in the thoracic cavity between the lungs
fibrous epicardium
endocardium
coronary arteries
mediastinum
22. Endocardium lines the chambers of the heart
tricuspid valve
is smooth to prevent abnormal clotting within the heart
SA node
pressoreceptors in teh carotid and aortic sinuses
23. Visceral pericardium
ECG
medial to the lungs and superior to the diaphragm
epicardium
fibrous epicardium
24. Vessel into which the left ventricle pumps blood
medulla
aorta
venous return
tricuspid valve
25. Changes in blood pressure are detected by
tricuspid valve
pressoreceptors in teh carotid and aortic sinuses
fibrullation
bradycardia
26. Contraction of chambers of the heart
systole
superior and inferior caval veins
closure of the valves
bundle of His...
27. First part of the cardia conduction pathway in teh ventircles
pressoreceptors in teh carotid and aortic sinuses
bundle of His...
fibrullation
is smooth to prevent abnormal clotting within the heart
28. Each normal heartbeat is initiated by this
endocardium
medulla
fibrous epicardium
SA node
29. Difference between resting cardiac output adn maximum exercise cardiac output
diastole
closure of the valves
cardiac reserve
medulla
30. Cardiac muscle tissue
systole
bicuspid valve
bundle of His...
myocardium
31. Part of the myocardium is deprived of its blood supply and becomes ______
ischemia
cardiac output
medial to the lungs and superior to the diaphragm
aorta
32. Upper chamber of the heart
atrium
ECG
SA node
aortic and pulmonary semilunar valves
33. Backflow o fblood from the arteries to the ventricles is prevented by these
systole
aortic and pulmonary semilunar valves
60-80
medulla
34. The amount of blood that returns to teh heart
venous return
systole
cardiac cycle
mediastinum
35. Irregular heartbeats
arrhythmias
ischemia
right and left atria
systole
36. Funciton of the serous fluid of teh pericardial membranes
cardiac output
superior and inferior caval veins
bradycardia
prevent friction as the heart beats
37. Heart chambers are lined with this
superior and inferior caval veins
60-80
endocardium
medulla
38. Outermost of the pericardial membranes
vagus nerves
right and left atria
fibrous epicardium
bicuspid valve
39. 1st branches of teh ascending aorta
aortic and pulmonary semilunar valves
prevent friction as the heart beats
coronary arteries
vagus nerves
40. Very rapid and uncoordinated ventricular beat
fibrullation
bundle of His...
aorta
medulla
41. Natural pacemaker of the heart
bradycardia
SA node
cardiac output
closure of the valves
42. Contraction
cardiac output
fibrous epicardium
systole
mediastinum
43. Amount of blood pumped by a ventricle in 1 minute
venous return
medulla
systole
cardiac output